From 265917c923bb33bac32d91ad15ebbf79b1d169dc Mon Sep 17 00:00:00 2001
From: Gaerzi <gaerzi@gmail.com>
Date: Tue, 22 Apr 2014 13:31:55 +0200
Subject: [PATCH 1/2] Add shadow and subtract styles to ACS.

There is a matching pull request for rheit/acs.
---
 src/p_acs.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/p_acs.cpp b/src/p_acs.cpp
index 4cb34defa..1c84c9401 100644
--- a/src/p_acs.cpp
+++ b/src/p_acs.cpp
@@ -3546,6 +3546,8 @@ static const int LegacyRenderStyleIndices[] =
 	65,	// STYLE_Add,
 	66,	// STYLE_Shaded,
 	67,	// STYLE_TranslucentStencil,
+	68,	// STYLE_Shadow,
+	69,	// STYLE_Subtract,
 	-1
 };
 

From 7c3660087ed7fc1db18c0ae38285a14f6f5a5c9f Mon Sep 17 00:00:00 2001
From: Gaerzi <gaerzi@gmail.com>
Date: Tue, 22 Apr 2014 13:32:33 +0200
Subject: [PATCH 2/2] Restore shadow renderstyle.

It was accidentally lost in r3085.
---
 src/thingdef/thingdef_properties.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/thingdef/thingdef_properties.cpp b/src/thingdef/thingdef_properties.cpp
index 61ab5b968..4e4fb4218 100644
--- a/src/thingdef/thingdef_properties.cpp
+++ b/src/thingdef/thingdef_properties.cpp
@@ -796,11 +796,13 @@ DEFINE_PROPERTY(renderstyle, S, Actor)
 {
 	PROP_STRING_PARM(str, 0);
 	static const char * renderstyles[]={
-		"NONE", "NORMAL", "FUZZY", "SOULTRANS", "OPTFUZZY", "STENCIL", "TRANSLUCENT", "ADD", "SHADED", "SUBTRACT", NULL };
+		"NONE", "NORMAL", "FUZZY", "SOULTRANS", "OPTFUZZY", "STENCIL", 
+		"TRANSLUCENT", "ADD", "SHADED", "SHADOW", "SUBTRACT", NULL };
 
 	static const int renderstyle_values[]={
 		STYLE_None, STYLE_Normal, STYLE_Fuzzy, STYLE_SoulTrans, STYLE_OptFuzzy,
-			STYLE_TranslucentStencil, STYLE_Translucent, STYLE_Add, STYLE_Shaded, STYLE_Subtract};
+			STYLE_TranslucentStencil, STYLE_Translucent, STYLE_Add, STYLE_Shaded,
+			STYLE_Shadow, STYLE_Subtract};
 
 	// make this work for old style decorations, too.
 	if (!strnicmp(str, "style_", 6)) str+=6;